- For use with .17 Caliber firearms
- #5/40 Thread Coupling
- 100% Cotton Mop Head
- Brass Core
- Made in the USA
The PRO-SHOT Cotton Bore Mop is 100% cotton with a brass core. It is made of the highest quality construction possible. Mops can be used for quick cleaning and bore lubrication. Mops are especially excellent when using oil for bore lubrication because they create foaming action that helps in the lubrication process.
American Standard #5-40 thread.